can someone help me with this problem?

Answer:
It's [tex]15ft^{3}[/tex]
Step-by-step explanation:
Since w is 4 on A and 2 on B just divide all sides by 2 to get your values for B
4 --> 2
10 ---> 5
2 ----> 1.5
making your answer 15ft^3
hope this helps:)